Photosynthesis MCQs part 5 11:07:00 PM Posted by AEI Online Tutor No Comments Photosynthesis MCQ part 5 1. In chemiosmotic phosphorylation, what is the most direct source of energy that is used to convert ADP + Pi to ATP? energy released as electrons flow through the electron transport system energy released from substrate-level phosphorylation energy released from ATP synthase pumping hydrogen ions against their concentration gradient energy released from movement of protons through ATP synthase 2. Energy released by the electron transport chain is used to pump H+ ions into which location? cytosol mitochondrial outer membrane mitochondrial inner membrane mitochondrial intermembrane space 3. During aerobic cellular respiration, a proton gradient in mitochondria is generated by ____ and used primarily for ____. the electron transport chain, ATP synthesis the electron transport chain, substrate-level phosphorylation glycolysis, production of H2O fermentation, NAD+ reduction 4. The direct energy source that drives ATP synthesis during respiratory oxidative phosphorylation is oxidation of glucose to CO2 and water the thermodynamically favorable flow of electrons from NADH to the mitochondrial electron transport carriers the final transfer of electrons to oxygen the difference in H+ concentrations on opposite sides of the inner mitochondrial membrane 5. Where is ATP synthase located in the mitochondrion? cytosol outer membrane electron transport chain inner membrane 6. In the absence of oxygen, yeast cells can obtain energy by fermentation, resulting in the production of ATP, CO2 and ethanol (ethyl alcohol) ATP, CO2, and lactate ATP, NADH, and pyruvate ATP, pyruvate, and oxygen 7. You have a friend who lost 7 kg (about 15 pounds) of fat on a "low carb" diet. How did the fat leave her body? It was released as CO2 and H2O Chemical energy was converted to heat and then released It was converted to ATP, which weighs much less than fat It was broken down to amino acids and eliminated from the body 8. Organisms that can exist with light as an energy source and an inorganic form of carbon and other raw materials are called photoautotrophs do not exist in nature are called heterotrophs are best classified as decomposers 9. Which of the following are products of the light reactions of photosynthesis that are utilized in the Calvin cycle? CO2 and glucose H2O and O2 ADP, Pi, and NADP+ ATP and NADPH 10. What is the primary function of the light reactions of photosynthesis? to produce energy-rich glucose from carbon dioxide and water to produce ATP and NADPH to produce NADPH used in respiration to convert light energy to the chemical energy of PGAL Score = Correct answers: *********************** Photosynthesis MCQs Parts => 1.. 2.. 3.. 4.. 5.. 6.. Share this Google Facebook Twitter More Digg Linkedin Stumbleupon Delicious Tumblr BufferApp Pocket Evernote AEI Online Tutor Article LabelBiochemistry MCQs part 2Enzymes MCQ Part 1Animal Biotechnology MCQ Part 1Protein MCQ Part 4Biochemistry MCQs part 1Animal Biotechnology MCQs Part 8
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